OpenTechnical

OT-2026-000007208

Publication integrity record

Vacuum cup gripper, three zone face, six outlet manifold, pump fed, vented before set down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007208) never changes.

Identity and time

Publication numberOT-2026-000007208 · never reused
Internal UUID01a0a976-9781-7da9-8aa6-c8f3fd6d4a18 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:05:16.676683Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007208
StatusPUBLIC

Content hashes

Canonical textcbb579f48db5b33300ecfa9488cf36d41d8b6fa7f12db3ab41dde639d226db51
Markdown3eeeb8291fc44e3a5341cfcb64af1a2fe5988bfcac749ea06455ba6448e03cd9
PDF
Publication pagefb6d6521cc1429b98f5410bf164ffea4ec92b3471072ce74a75f09ab8214a5ff
Manifest5590dec9ac6ba3aef4f6f02648883c07e63d2822d4df3f0bd2cc793b223f273b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureNV1+I6x3U16Ye2fYsbTTmzX/eTK1EOfEWgnyarUCLH531j/VfJw4a00aptrSSOVwemDa39iKT7IuJwIPmvK3Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:15.880752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007208
observed fb6d6521cc1429b98f5410bf164ffea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:15.749384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007208/manifest.json
observed 5590dec9ac6ba3aef4f6f02648883c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:15.737622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007208/publication.md
observed 3eeeb8291fc44e3a5341cfcb64af1a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:15.726278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007208/publication.txt
observed cbb579f48db5b33300ecfa9488cf36d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.